var w3c=(document.getElementById)?true:false;
var ie=(document.all)?true:false;
var N=-1;
var bars=new Array();

function createBar(w,h,bgc,brdW,brdC,blkC,speed,blocks)
{
	if(ie||w3c)
	{
		var t='<div style="position:relative; overflow:hidden; width:'+w+'px; height:'+h+'px; background-color:'+bgc+'; border-color:'+brdC+'; border-width:'+brdW+'px; border-style:solid; font-size:1px;">';
			t+='<span id="blocks'+(++N)+'" style="left:-'+(h*2+1)+'px; position:absolute; font-size:1px">';

		for(i=0;i<blocks;i++)
		{
			t+='<span style="background-color:'+blkC+'; left:-'+((h*i)+i)+'px; font-size:1px; position:absolute; width:'+h+'px; height:'+h+'px; '
			t+=(ie)?'filter:alpha(opacity='+(100-i*(100/blocks))+')':'-Moz-opacity:'+((100-i*(100/blocks))/100);
			t+='"></span>';
		}

		t+='</span></div>';
		document.write(t);
		var bA=(ie)?document.all['blocks'+N]:document.getElementById('blocks'+N);
		bA.blocks=blocks;
		bA.w=w;
		bA.h=h;
		bars[bars.length]=bA;
		setInterval('startBar('+N+')',speed);
	}
}

function startBar(bn)
{
	var t=bars[bn];
	t.style.left=((parseInt(t.style.left)+t.h+1-(t.blocks*t.h+t.blocks)>t.w)? -(t.h*2+1) : parseInt(t.style.left)+t.h+1)+'px';
}